# encoding=utf-8
class category(dict):
    def __init__(self):
        super().__init__()

    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__


class book_list(dict):
    # def __init__(self, url, flag):
    #     self.url = url
    #     self.flag = flag

    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__


class book(dict):
    # def __init__(self):

    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__


class author(dict):
    # def __init__(self):

    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__


class fragment(dict):
    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__


class all_six(dict):
    def __init__(self):
        super().__init__()

    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__


class left_mid_book(dict):
    def __init__(self):
        super().__init__()

    __setattr__ = dict.__setitem__
    __getattr__ = dict.__getitem__
